1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 */ 6 7 #ifndef lint 8 static char sccsid[] = "@(#)getproto.c 5.1 (Berkeley) 05/30/85"; 9 #endif not lint 10 11 #include <netdb.h> 12 13 struct protoent * 14 getprotobynumber(proto) 15 register int proto; 16 { 17 register struct protoent *p; 18 19 setprotoent(0); 20 while (p = getprotoent()) 21 if (p->p_proto == proto) 22 break; 23 endprotoent(); 24 return (p); 25 } 26